Pesto is a mobile first, retina-ready, clean style

New Marked custom style forked from Kult by @bigpe (with lots of changes and additions). See: https://github.com/acusti/Custom-Marked-Styles
Include compiled CSS version of Pesto custom style
Fix inconsistent indentation
Simplify background linear gradient underlines

No need for all the browser vendor prefixed stuff
Source for bkg gradient link underline simplifying
Inline web fonts to remove online dependency

Use compass to base-64 our fonts inline, plus add the font license and missing bold weight for monospace font
Add .footnote styles (+ colour consistency change)
Refactor figure margins to match body padding
Latest compiled CSS with all improvements
Preserve comment for adobe font license info
Merge pull request #11 from acusti/patch-1

Introducing Pesto, a mobile first, retina-ready, clean custom style